From patchwork Fri Jun 10 08:54:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 12877002 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 38862CCA47E for ; Fri, 10 Jun 2022 08:55:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 554A61135C9; Fri, 10 Jun 2022 08:55:02 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2C29C113242 for ; Fri, 10 Jun 2022 08:55:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654851301; x=1686387301; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4Kai+ByUobP7LucdPUEOGdT36FM0i/B/X24y/bqFsDs=; b=Dsi9P+gx2KXoxLw9LelpdmhBJvql+jI0i7yMpUv2CQQ8R8eWGQdVYfo8 hqpqt+FGz26jkqgB2P4n6hdLzFlMmRuONotst85rPwwd5pM65zjOaZTpJ nedHjzSPtf1XsDNznEjBqBmGIZExSBDvrTDe+/KXzv48uQ+GO+wLLi6ki HGq+LEDUmIcAmb6K677TVcyk6K46Bcj1Xxq+nJ+piOZTSBSg8rxrR6JmP aJEUNu8s33MrCvPG2mCDktpcg7YigRoFmbnB4HCQsyY8GZXdXgFqQvD1J lYC/8sADNcMBzlzQqIHtAzT6iwSqqU70WyIx/D7cIuEqJQwmYuWa7W77X g==; X-IronPort-AV: E=McAfee;i="6400,9594,10373"; a="278367848" X-IronPort-AV: E=Sophos;i="5.91,288,1647327600"; d="scan'208";a="278367848" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2022 01:55:00 -0700 X-IronPort-AV: E=Sophos;i="5.91,288,1647327600"; d="scan'208";a="586105744" Received: from seamusk-mobl2.ger.corp.intel.com (HELO jhogande-mobl1.ger.corp.intel.com) ([10.249.39.102]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2022 01:54:59 -0700 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Date: Fri, 10 Jun 2022 11:54:28 +0300 Message-Id: <20220610085429.52935-3-jouni.hogander@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220610085429.52935-1-jouni.hogander@intel.com> References: <20220610085429.52935-1-jouni.hogander@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v3 2/3] drm/i915: Do not start connector polling if display is disabled X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Currently we are starting connector polling if display is disabled using disable_display module parameter. Polling is just returning always "not connected" state. This can be optimized by not starting polling at all. Signed-off-by: Jouni Högander Reviewed-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_hotplug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index 8204126d17f9..5f8b4f481cff 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -668,7 +668,8 @@ static void i915_hpd_poll_init_work(struct work_struct *work) */ void intel_hpd_poll_enable(struct drm_i915_private *dev_priv) { - if (!HAS_DISPLAY(dev_priv)) + if (!HAS_DISPLAY(dev_priv) || + !INTEL_DISPLAY_ENABLED(dev_priv)) return; WRITE_ONCE(dev_priv->hotplug.poll_enabled, true);